Speaker box



FIG. 1 is a front elevational view of a first embodiment of a speaker box showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a front elevational view of a second embodiment of a speaker box showing my new design;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a right side elevational view thereof; and,

FIG. 10 is a bottom plan view thereof.

Portions in broken lines are for illustrative purpose only and form no part of the claimed design. 

CLAIM The ornamental design for a speaker box, as shown and described. 